Calculate solar panel requirements for your home with our free solar calculator. Includes system size, number of panels, and area calculations.
Use our solar panel calculator to find your solar power needs and what panel size would meet them.
Calculate your solar panel requirements effortlessly. Our Solar Panel Calculator helps you size your system correctly.
We will show you how to determine the number of panels needed for any solar system. On top of that, we created a spreadsheet for a number of 100W, 200W, 300W, and 400W solar panels needed for
With basic information and a simple calculation, you can figure out how many solar panels you need. It doesn''t matter if you want to power your home, put solar panels on an RV, or
How to use this calculator: Enter your monthly electricity consumption and location details to calculate required solar panel system size.
How many solar panels do I need? Use our 2025 calculator to size your system by home size, kWh usage, and location. Get panel count, roof space, and kW—free from SolarTech.
Calculate solar panel size, battery, inverter needs for homes. Free rooftop & off-grid calculator, how many solar panels you needs.
Solar Panel Size Estimator Calculator helps you determine the appropriate size of solar panels needed for your specific energy requirements.
Calculate how many solar panels you need based on your daily power usage. Instantly size your inverter, battery bank, and wiring with this free solar calculator.
PEES Power Systems is a leading provider of advanced energy solutions in South Africa and Africa. We specialize in microgrid systems, solar photovoltaic (PV) power generation, BESS (battery energy storage systems), grid‑tied / hybrid / off‑grid inverters, PCS power conversion systems, EMS energy management systems, BMS battery management systems, lithium‑ion & LiFePO4 batteries, and modular energy storage systems. Our portfolio also includes energy storage containers, energy storage cabinets, containerised power stations, off‑grid power supply systems, backup emergency power, clean energy solutions, new energy storage systems, and green power systems. We offer battery cabinets with integrated BMS, outdoor all‑in‑one storage cabinets, commercial & industrial storage, communication battery cabinets, server racks, and transformer capacity expansion services. Whether you need a small off‑grid system or a zero‑carbon factory solution, our products deliver reliability and performance.
Our modular energy storage solutions range from 20ft/40ft mobile containers to outdoor all‑in‑one energy storage cabinets. We are a leading manufacturer of battery cabinets with BMS, offering communication battery cabinets for telecom, server racks for data centers, and energy storage battery BMS systems. We utilize lithium‑ion energy storage batteries and LiFePO4 batteries for optimal safety and lifecycle. Our stackable design allows flexible capacity expansion, while our grid‑forming technology ensures stable microgrid operation. Whether for distributed PV systems, off‑grid power supply, backup emergency power, or large zero‑carbon parks, our products feature advanced thermal management, PCS and EMS integration, and compliance with South African and international standards. We also provide professional energy storage system installation and after‑sales support, and we help clients navigate energy storage subsidies where applicable.